217845680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 584962560

約数和(自身を除く): 367116880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 31, 40, 52, 58, 62, 65, 80, 104, 116, 124, 130, 145, 155, 208, 232, 233, 248, 260, 290, 310, 377, 403, 464, 466, 496, 520, 580, 620, 754, 806, 899, 932, 1040, 1160, 1165, 1240, 1508, 1612, 1798, 1864, 1885, 2015, 2320, 2330, 2480, 3016, 3029, 3224, 3596, 3728, 3770, 4030, 4495, 4660, 6032, 6058, 6448, 6757, 7192, 7223, 7540, 8060, 8990, 9320, 11687, 12116, 13514, 14384, 14446, 15080, 15145, 16120, 17980, 18640, 23374, 24232, 27028, 28892, 30160, 30290, 32240, 33785, 35960, 36115, 46748, 48464, 54056, 57784, 58435, 60580, 67570, 71920, 72230, 87841, 93496, 93899, 108112, 115568, 116870, 121160, 135140, 144460, 175682, 186992, 187798, 209467, 233740, 242320, 270280, 288920, 351364, 375596, 418934, 439205, 467480, 469495, 540560, 577840, 702728, 751192, 837868, 878410, 934960, 938990, 1047335, 1405456, 1502384, 1675736, 1756820, 1877980, 2094670, 2723071, 3351472, 3513640, 3755960, 4189340, 5446142, 7027280, 7511920, 8378680, 10892284, 13615355, 16757360, 21784568, 27230710, 43569136, 54461420, 108922840, 217845680]

約数ペア:

[(1, 217845680), (2, 108922840), (4, 54461420), (5, 43569136), (8, 27230710), (10, 21784568), (13, 16757360), (16, 13615355), (20, 10892284), (26, 8378680), (29, 7511920), (31, 7027280), (40, 5446142), (52, 4189340), (58, 3755960), (62, 3513640), (65, 3351472), (80, 2723071), (104, 2094670), (116, 1877980), (124, 1756820), (130, 1675736), (145, 1502384), (155, 1405456), (208, 1047335), (232, 938990), (233, 934960), (248, 878410), (260, 837868), (290, 751192), (310, 702728), (377, 577840), (403, 540560), (464, 469495), (466, 467480), (496, 439205), (520, 418934), (580, 375596), (620, 351364), (754, 288920), (806, 270280), (899, 242320), (932, 233740), (1040, 209467), (1160, 187798), (1165, 186992), (1240, 175682), (1508, 144460), (1612, 135140), (1798, 121160), (1864, 116870), (1885, 115568), (2015, 108112), (2320, 93899), (2330, 93496), (2480, 87841), (3016, 72230), (3029, 71920), (3224, 67570), (3596, 60580), (3728, 58435), (3770, 57784), (4030, 54056), (4495, 48464), (4660, 46748), (6032, 36115), (6058, 35960), (6448, 33785), (6757, 32240), (7192, 30290), (7223, 30160), (7540, 28892), (8060, 27028), (8990, 24232), (9320, 23374), (11687, 18640), (12116, 17980), (13514, 16120), (14384, 15145), (14446, 15080)]